Good books for Statistics and Data Science for beginners
@Rishabh0709 wrote: Hi All,I am new to statistics and Data Science.I participated in couple of Hackathons organised by AV , in order to get myself familiar with analytics and statistics.I heard from...
View ArticleLogistic Results Inconsistent
@Arindam wrote: We were validating Logistic results month on Month and the decile lifts we were getting were consistent for 3 months but from last month the lifts drop. Any particular reason this...
View ArticleWhat is FA and PCA ? Also want to know about XGboost Algo
@hargan.gandhi wrote: Hello..I would like to know Factor Analysis and Principal Component Analysis in depth ?I am also wondering what XGboost algorithm is ?How it will be helpful to Data Scientist ?...
View ArticlePGPBA at SCMHRD Vs PGPBA at Praxis Business School
@bhaskarjit wrote: Which one will be better, PGPBA at SCMHRD or PGPBA at Praxis Business School in terms of ROI? Posts: 1 Participants: 1 Read full topic
View ArticleIs it possible to plot two survival curve on same survival graph?
@bans_ankit wrote: Is it possible to plot two survival curve on same survival graph? -one for actual response varibale- another for prediction value of response varon same graph? Note: I do not need...
View ArticleHow to impute categorical missing values?
@Gurpreet_amity wrote: Hi,Can anybody help in telling how should we impute categorical missing values without using mode ,mediancentral tendencies.-I tried random forest to impute misssing values in r...
View ArticleAlgorithms used in 'Shoppertrak' type applications
@teena_k wrote: Applications like Shoppertrak track the customers in brick and mortar retail stores in order to analyze customer behaviour and shopping preferences, so as to provide strategies to the...
View ArticleEnsemble technique
@erigits wrote: I am working on logistic regression classifier to predict product review sentiments either positive or negative,which is the best ensemble- boosting approach to use Posts: 1...
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How to shift the axis from continuous to discrete one?
@harry wrote: I am currently working on one data set name as Mitchell which comes under alr3 package of R.I want to look the relation between the month and Temp so I have plotted the scatter plot...
View ArticleWhat are the difference between cor.test and with function in R?
@sid100158 wrote: I am studying about the correlation function which is inbuilt in R for finding the correlation.I came across two function one cor.test and other is with. with- with is a generic...
View ArticleHow to impute categorical missing values in python?
@jalFaizy wrote: Referring here http://discuss.analyticsvidhya.com/t/how-to-impute-categorical-missing-values/7940/6 how do you do imputing in python? Posts: 1 Participants: 1 Read full topic
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How to change the transparency of the plot in R?
@harry wrote: I am currently studying about ggplot2 package in R for practicing I have plot one scatter plot between two variable . ggplot(aes(x=age,y=friend_count),data=pf)+geom_point() I want to...
View ArticleHow to convert excel dashboards in Tableau dashboards
@Tableaulearner wrote: I am newbie for Tableau and earlier my company was having all dashboards in Excel.. now they want to move to tableau. In excel.. all queries were full/left etc joins of multiple...
View ArticleExplain Central Limit theorem of Statistics to a layman
@jalFaizy wrote: How would you explain CL theorem in a simplest way possible? Posts: 1 Participants: 1 Read full topic
View ArticleCannot Find Tutorial Data
@evansperry wrote: Hello. I was following "A Complete Tutorial to learn Data Science in R from Scratch." We are supposed to use the data "Big Mart Sales Prediction." However, I cannot find that data...
View ArticleBuilding a real time geo location mapping of Surge Price of Uber Cabs
@deepnarainsingh wrote: I have build a real time location mapping of price surge in San Francisco for Uber Cabs.The Big Data technologies which I used is Kafka, Spark Streaming and Hbase.This also...
View ArticleExplanation at the end of the Hackathon
@bidari wrote: I am new to the site and participated in one of the Hackathons "Date Your Data".I did submit my code with answers and stood at Rank:57. Now that I know there were mistakes done by me...
View ArticleUnexpected HTTP Status code: 400 Bad Request in H20.gbm
@Rohit_Nair wrote: Hello Everyone, I m getting one error while i m running h20.gbm in R. Can anyone help me resolving this error. @Mark Landry @Lesaffrea @shuvayan @Aarshay ERROR: Unexpected HTTP...
View ArticleBusiness analytics question
@sanchi_singh1 wrote: Respected Sir,I am new in the field of analytics. I have done a base sas course and i am trying to find job on the basis of that.Recently i faced ine interview in which...
View ArticleExecutive MBA in Business Analytics
@sanchi_singh1 wrote: Respected Sir I have more than 1 year of experience in analytics....Currently I am working as sen Buisness Analyst in one of the start up firm.....My education backgroud is Btech...
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